refactor(Pdf): Add Background-method to place a background behind the signatures.

EnvelopeGenerator.Web/Controllers/EnvelopeController.cs

@@ -10,8 +10,6 @@ using EnvelopeGenerator.Domain.Constants;
 using EnvelopeGenerator.PdfEditor;
 using EnvelopeGenerator.Web.Extensions;
 using EnvelopeGenerator.Web.Models;
-using iText.Kernel.Colors;
-using iText.Kernel.Pdf.Canvas;
 using MediatR;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
@@ -224,21 +222,7 @@ public class EnvelopeController : ViewControllerBase
     {
         if (er.Envelope!.Documents?.FirstOrDefault() is DocumentDto doc && doc.ByteData is not null)
         {
-            using var pdf = Pdf.FromMemory(doc.ByteData).Design(1, canvas =>
-            {
-                canvas.SetFillColor(new DeviceRgb(135, 62, 35));
-
-                canvas.Rectangle(100, 500, 200, 100);
-
-                canvas.Fill();
-
-                canvas.SetFillColor(new DeviceRgb(222, 220, 215));
-
-                canvas.SetStrokeColor(new DeviceRgb(135, 62, 35));
-                canvas.Circle(300, 500, 100);
-                canvas.FillStroke();
-                canvas.Fill();
-            });
+            using var pdf = Pdf.FromMemory(doc.ByteData).Background(doc.Elements!);
 
             doc.ByteData = pdf.ExportAsBytes();
 

EnvelopeGenerator.Web/wwwroot/js/annotation.js

@@ -5,35 +5,6 @@ async function createAnnotations(document) {
     for (let element of document.elements) {
         const annotParams = await getAnnotationParams(element.left, element.top);
         const page = element.page - 1
-
-        //#region background
-        if (annotParams.background) {
-            let background = annotParams.background;
-            const id_background = PSPDFKit.generateInstantId();
-            const annotation_background = new PSPDFKit.Annotations.WidgetAnnotation({
-                id: id_background,
-                pageIndex: page,
-                formFieldName: id_background,
-                backgroundColor: background?.backgroundColor ? new PSPDFKit.Color(background.backgroundColor) : null,
-                blendMode: 'normal',
-                boundingBox: new PSPDFKit.Geometry.Rect(background),
-                fontSize: 8,
-                borderStyle: background.borderStyle,
-                borderWidth: background.borderWidth,
-                borderColor: background?.borderColor ? new PSPDFKit.Color(background.borderColor) : null
-            });
-
-            const formFieldBackground = new PSPDFKit.FormFields.ButtonFormField({
-                name: id_background,
-                annotationIds: PSPDFKit.Immutable.List([annotation_background.id]),
-                value: "",
-                readOnly: true
-            });
-
-            signatures.push(annotation_background)
-            signatures.push(formFieldBackground)
-        }
-        //#endregion
     }
 
     for (let element of document.elements) {

EnvelopeGenerator.Web/wwwroot/js/envelope-api.js

@@ -72,6 +72,7 @@ async function getAnnotationParams(leftInInch = 0, topInInch = 0, inchToPointFac
     annot.top += topInInch - 0.5;
     annot.top *= inchToPointFactor;
   }
+
   return annotParams;
 }